Set Hostname2025/10/23

	If you would like to change Host Name of your System, set like follows.
[1]	Change hostname. (but when System restarted, it will be back)

# show current hostname
# if command does not exit, install it with [zypper install hostname]

localhost:~ #

hostname

localhost.localdomain

# change hostname

localhost:~ #

hostname dlp.srv.world

localhost:~ #

hostname

dlp.srv.world

# changed

[2]	Change hostname permanently.

localhost:~ #

hostnamectl set-hostname dlp.srv.world

# show settings

localhost:~ #

hostnamectl

 Static hostname: dlp.srv.world
       Icon name: computer-vm
         Chassis: vm
      Machine ID: b40083ce2b1a43e69e44ec5d6f54955b
         Boot ID: c6fb8be5f7904262ad7cd548e874bb29
    Product UUID: feb07f99-9743-449e-9a79-8dcc573acd44
  Virtualization: kvm
Operating System: openSUSE Leap 16.0
     CPE OS Name: cpe:/o:opensuse:leap:16.0
          Kernel: Linux 6.12.0-160000.5-default
    Architecture: x86-64
 Hardware Vendor: Red Hat
  Hardware Model: KVM
Firmware Version: 1.16.3-4.el9
   Firmware Date: Tue 2014-04-01
    Firmware Age: 11y 6month 3w 1d

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